245383783 has 4 divisors (see below), whose sum is σ = 245424168. Its totient is φ = 245343400.

The previous prime is 245383781. The next prime is 245383807. The reversal of 245383783 is 387383542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245383783 - 2¹ = 245383781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245383781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9016 + ... + 23917.

It is an arithmetic number, because the mean of its divisors is an integer number (61356042).

Almost surely, 2^245383783 is an apocalyptic number.

245383783 is a deficient number, since it is larger than the sum of its proper divisors (40385).

245383783 is an equidigital number, since it uses as much as digits as its factorization.

245383783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40384.

The product of its digits is 483840, while the sum is 43.

The square root of 245383783 is about 15664.7305434853. The cubic root of 245383783 is about 626.0590326661.

The spelling of 245383783 in words is "two hundred forty-five million, three hundred eighty-three thousand, seven hundred eighty-three".